#303: more intelligent erlang-mode files detection
grammar cleanup
Updated file templates to Emacs standard skeletons.
Also included a new template for custom variables.
list_op_expression is right associative
Merge pull request #314 from drobakowski/feature/erlang_emacs_templates

Updated file templates to Emacs standard skeletons.
updated erlang debugger node binaries to revision 8a8007f434dbd72422a3327c833ec3de7aba803b (changed the way entry point arguments are parsed)
refactored running states
added support of displaying fun expressions in stack trace

added tests for ErlangSourcePosition
added eunit tests debugging support
added timeout override for eunit tests in debug mode so that they don't get cancelled due to timeout